CN110686909B - ESC test anti-overturn frame - Google Patents
ESC test anti-overturn frame Download PDFInfo
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- CN110686909B CN110686909B CN201911058584.7A CN201911058584A CN110686909B CN 110686909 B CN110686909 B CN 110686909B CN 201911058584 A CN201911058584 A CN 201911058584A CN 110686909 B CN110686909 B CN 110686909B
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 230000008093 supporting effect Effects 0.000 claims abstract description 102
- 230000007246 mechanism Effects 0.000 claims description 10
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 230000035515 penetration Effects 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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Abstract
The application discloses an ESC test anti-overturning frame which comprises a beam assembly fixedly connected with a vehicle and supporting wheels for supporting the vehicle when the vehicle is inclined, wherein the beam assembly is arranged along the width direction of the vehicle, the two supporting wheels are respectively distributed on two sides of the vehicle along the width direction of the vehicle, and when the vehicle is inclined to the left side or the right side by a certain angle, the supporting wheels on the corresponding sides can be contacted with the ground, so that the vehicle has a certain supporting effect, the problem of side overturning of the vehicle is prevented, and the test safety is ensured. An adjusting arm assembly is arranged between the supporting wheel and the beam assembly and used for adjusting the distance between the supporting wheel and the ground. So set up, according to the structural style of vehicle, confirm the mounted position of crossbeam subassembly on the vehicle, then the rethread adjusts the ground altitude of supporting wheel to the adjusting arm subassembly, solved current anti-overturn frame and only can be applied to the motorcycle type that has the penetration space below the freight train girder problem, strengthened the suitability of anti-overturn frame.
Description
Technical Field
The invention relates to the technical field of automobile testing, in particular to an ESC test anti-overturning frame.
Background
ESC is short for automobile electronic stability control system, ESC function can ensure vehicle body stability of the automobile under the conditions of emergency steering, high-speed turning and the like, and is the most important active safety system on the automobile at present. The vehicle testing party needs to test and evaluate the ESC in the test field in an extreme state, in which the vehicle body deflects at a large angle, the vehicle load shifts, the wheels slide transversely, and the vehicle is in a tilting danger in all the states, so that the vehicle and personnel are at great safety risk. Therefore, in the vehicle test process, the test safety is generally ensured by arranging an anti-overturning frame on the test vehicle.
The anti-overturning frame in the prior art is a structure penetrating below the cross beam and developed by foreign institutions aiming at trucks, is greatly limited by the arrangement form of the vehicles, can be only applied to the vehicle type with penetrating space below the truck girder of the truck, occupies smaller space in the domestic truck, and faces the urgent situation that the anti-overturning frame is not available in ESC batch test.
Therefore, how to solve the problem that the anti-overturning frame in the prior art is greatly limited by the arrangement form of the vehicle and has poor applicability because the anti-overturning frame can only be applied to the vehicle type with the through space below the girder of the truck becomes an important technical problem to be solved by the person skilled in the art.
Disclosure of Invention
In order to overcome the problems in the related art at least to a certain extent, the application provides an ESC test anti-overturning frame, which can solve the problems that the anti-overturning frame in the prior art is greatly limited by the arrangement form of a vehicle and has poor applicability because the anti-overturning frame can only be applied to a vehicle type with a through space below a truck girder.
The invention is realized in the following way: an ESC test anti-overturn frame comprises a beam assembly which is fixedly connected with a vehicle and is arranged along the width direction of the vehicle;
The first ends of the extension arms are fixedly connected with the end parts of the beam assembly;
the vehicle comprises supporting wheels, wherein the supporting wheels are used for supporting the vehicle when the vehicle is inclined, two supporting wheels are arranged, and the two supporting wheels are distributed on two sides of the vehicle along the width direction of the vehicle;
the adjusting arm assembly is used for adjusting the distance between the supporting wheel and the ground, is arranged between the extending arm and the supporting wheel, the upper end of the adjusting arm assembly is fixedly connected with the second end of the extending arm, and the supporting wheel is rotationally connected with the lower end of the adjusting arm assembly.
Preferably, the beam assembly comprises a beam fixedly connected with a vehicle chassis or a carriage, the beam is arranged along the width direction of the vehicle, two ends of the beam are connected with the first ends of the extension arms through flanges, and the beam is fixedly connected with the vehicle chassis or the carriage through a plurality of fixing studs distributed along the length direction of the beam.
Preferably, the adjusting arm assembly comprises a first arm and a second arm, the upper end of the first arm is fixedly connected with the second end of the extending arm, the lower end of the second arm is fixedly connected with the wheel shaft of the supporting wheel, pin holes are formed in the first arm and the second arm, the axes of the pin holes are perpendicular to the axes of the first arm, the first arm is connected with the second arm through pins, and the pin holes are formed in the first arm and evenly distributed along the axial direction of the first arm.
Preferably, a lifting mechanism for lifting the second section arm is further arranged between the first section arm and the second section arm.
Preferably, the first section arm with the square pipe that the second section arm all is having hollow structure, lifting mechanism is including setting up inside the first section arm and along the axial of first section arm set up the lead screw and with the lead screw nut of lead screw cooperation connection, the lead screw with rotate between the first section arm and be connected, the lead screw nut with fixed connection between the second section arm, the upper end of lead screw extends to the outside of first section arm and is provided with and is used for driving lead screw dead axle pivoted rotary handle.
Preferably, the beam assembly comprises a lower connecting plate fixedly connected with a carriage bottom plate of the passenger car and an upper connecting plate fixedly connected with a carriage top plate of the passenger car, wherein the lower connecting plate and the upper connecting plate are close to the end parts of the extension arms, which are respectively fixedly provided with a first support side plate and a second support side plate, the first ends of the extension arms are fixedly connected with the first support side plates, a height adjusting assembly for driving the upper connecting plate to move along the vertical direction relative to the lower connecting plate is arranged between the upper connecting plate and the lower connecting plate, a plurality of through holes distributed along the vertical direction are formed in the first support side plates and the second support side plates, and the first support side plates and the second support side plates are fixedly connected through bolts.
Preferably, the height adjusting assembly comprises an upper fixing plate fixedly connected with the upper connecting plate, a lower fixing plate fixedly connected with the lower connecting plate, an upper screw rod, a lower screw rod and a middle sleeve, wherein the upper screw rod is hinged with the upper fixing plate, the lower screw rod is hinged with the lower fixing plate, the two ends of the middle sleeve are respectively in threaded fit connection with the upper screw rod and the lower screw rod, and the threaded rotation direction of the upper screw rod is opposite to that of the lower screw rod; locking nuts are arranged on the upper screw rod and the lower screw rod.
Preferably, the adjusting arm assembly comprises a first supporting plate fixedly connected with the second end of the extending arm and a second supporting plate fixedly connected with the wheel shaft of the supporting wheel, two rows of first mounting holes are formed in the first supporting plate, each row of first mounting holes are formed in a plurality of first mounting holes and distributed in the vertical direction, two rows of second mounting holes are formed in the second supporting plate, the distance between the first mounting holes is equal to the distance between the second mounting holes, and the first supporting plate is fixedly connected with the second supporting plate through bolts.
Preferably, the axle of the supporting wheel is obliquely arranged, the distance between the end, close to the vehicle, of the axle of the supporting wheel and the ground is smaller than the distance between the end, far away from the vehicle, of the axle of the supporting wheel and the ground, and the included angle between the axis of the axle of the supporting wheel and the horizontal line is 10-12 degrees.
Preferably, the cross beam, the first arm and the second arm are made of titanium alloy.
The technical scheme provided by the application has the following beneficial effects:
The application provides an ESC test anti-overturn frame which comprises a beam assembly fixedly connected with a vehicle and supporting wheels for supporting the vehicle when the vehicle is inclined, wherein the beam assembly is arranged along the width direction of the vehicle, the two supporting wheels are respectively distributed on two sides of the vehicle along the width direction of the vehicle, and when the vehicle is inclined to the left side or the right side by a certain angle, the supporting wheels on the corresponding sides are contacted with the ground, so that the vehicle is supported to a certain extent, the problem of side overturning of the vehicle is prevented, and the test safety is ensured. An adjusting arm assembly is arranged between the supporting wheel and the beam assembly and used for adjusting the distance between the supporting wheel and the ground, namely the ground clearance of the supporting wheel. The end of the beam assembly is also provided with an extension arm, the extension arm is arranged between the beam assembly and the adjusting arm assembly, the first end of the extension arm is fixedly connected with the end of the beam assembly and extends along the width direction of the vehicle, the distance between the supporting wheel and the vehicle is increased, and sufficient installation space is provided for the adjusting arm assembly. The adjusting arm assembly comprises two parts which can move up and down relatively, the relatively upper part is fixedly connected with the second end of the extending arm, and the relatively lower part is rotationally connected with the supporting wheel. The beam assembly is fixed on the vehicle, and after the extension arm, the adjusting arm assembly and the supporting wheels are arranged on two sides of the beam assembly, the height of the supporting wheels above the ground is adjusted by adjusting the relative positions of the upper part and the lower part of the adjusting arm assembly. The arrangement ensures the installation position of the beam assembly according to the structural distribution form of the vehicle, and if the penetrating space is arranged below the vehicle girder, the beam assembly can be fixed below the vehicle girder; if the lower part of the vehicle girder is not provided with a penetrating space, the beam assembly can be penetrated and arranged in the carriage, and the mounting height of the beam assembly can be determined according to the space above the vehicle chassis; in addition, the anti-overturning frame can be used on a passenger car, so that the beam assembly is penetrated and arranged in the luggage compartment, and the anti-overturning frame can be used for a truck and a passenger car. The mounting position of the beam assembly is not limited by the arrangement form of the vehicle, after the beam assembly is fixedly mounted on the vehicle to be tested, the ground clearance of the supporting wheel is adjusted through the adjusting arm assembly according to the position of the beam assembly, so that the problem that the conventional anti-overturning frame can only be applied to a vehicle model with a penetrating space below a truck girder is solved, and the applicability of the anti-overturning frame is enhanced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an ESC test anti-rollover stand in accordance with an embodiment of the present invention;
fig. 2 is a front view of an ESC test anti-tip rack, in accordance with an embodiment of the present invention;
FIG. 3 is a schematic illustration of a hoist mechanism according to an embodiment of the present invention;
fig. 4 is a schematic structural view of another ESC test anti-rollover stand in accordance with an embodiment of the present invention;
FIG. 5 is an enlarged view of I in FIG. 4;
fig. 6 is a front view of another ESC test anti-tip rack, in accordance with an embodiment of the present invention;
fig. 7 is a schematic view showing a connection structure between an upper connection plate and a lower connection plate according to an embodiment of the present invention;
Fig. 8 is a schematic view of a height adjustment assembly according to an embodiment of the present invention.
Reference numerals:
1-a vehicle; 2-an extension arm; 3-supporting wheels; 4-a cross beam; 5-fixing the stud; 6-a first arm; 7-a second articulated arm; 8-pin holes; 9-a lead screw; 10-a lead screw nut; 11-rotating the handle; 12-a lower connecting plate; 13-an upper connecting plate; 14-a first support side plate; 15-a second support side plate; 16-upper fixing plate; 17-a lower fixing plate; 18-feeding a screw; 19-lower screw; 20-an intermediate sleeve; 21-a lock nut; 22-a first support plate; 23-a second support plate; 24-a first mounting hole; 25-a second mounting hole; 26-auxiliary fixing plates; 27-a transverse stabilizer bar; 28-a height adjustment assembly; 29-limiting block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
The aim of this concrete embodiment provides an ESC test prevents turning over frame, through set up the adjusting arm subassembly that can adjust the ground altitude of supporting wheel between beam assembly and supporting wheel, cancelled the restriction to beam assembly mounted position, the crossbeam both can run through the setting in the vehicle girder below, can run through again and set up in the carriage that is located the vehicle girder top or carriage top, has solved current prevent turning over frame and can only be applied to the motorcycle type problem that has the space of running through below the freight train girder, has strengthened the suitability of preventing turning over frame.
Hereinafter, embodiments will be described with reference to the drawings. Furthermore, the embodiments shown below do not limit the summary of the invention described in the claims. The whole contents of the constitution shown in the following examples are not limited to the solution of the invention described in the claims.
Referring to fig. 1-8, a schematic structural diagram of an ESC test anti-rollover stand in some exemplary embodiments is shown. The embodiment provides a ESC test prevents turning over frame, including be used for with vehicle 1 fixed connection's beam assembly and be used for carrying out the supporting wheel 3 to vehicle 1 when vehicle 1 takes place to roll, beam assembly sets up along the width direction of vehicle 1, above-mentioned supporting wheel 3 is provided with two, respectively along the width direction distribution of vehicle 1 in the both sides of vehicle 1, when vehicle 1 inclines to the left side or inclines to the right side certain angle, the supporting wheel 3 that is located corresponding side can contact with ground, thereby have certain supporting role to vehicle 1, prevent that vehicle 1 from taking place the problem of turning over. An adjusting arm assembly is arranged between the supporting wheel 3 and the beam assembly and is used for adjusting the distance between the supporting wheel 3 and the ground, namely the ground clearance of the supporting wheel 3. The end of the beam assembly is also provided with an extension arm 2, the extension arm 2 is arranged between the beam assembly and the adjusting arm assembly, the first end of the extension arm 2 is fixedly connected with the end of the beam assembly and extends along the width direction of the vehicle 1, the distance between the supporting wheel 3 and the vehicle 1 is increased, and sufficient installation space is provided for the adjusting arm assembly. The adjusting arm assembly comprises two parts which can move up and down relatively, the relatively upper part is fixedly connected with the second end of the extending arm 2, and the relatively lower part is rotatably connected with the supporting wheel 3. The beam assembly is fixed on the vehicle 1, and after the extension arm 2, the adjusting arm assembly and the supporting wheels 3 are arranged on two sides of the beam assembly, the height of the supporting wheels 3 above the ground is adjusted by adjusting the relative positions of the upper part and the lower part of the adjusting arm assembly.
The arrangement determines the installation position of the beam assembly according to the structural distribution form of the vehicle 1, and if a penetrating space is arranged below the girder of the vehicle 1, the beam assembly can be fixed below the girder of the vehicle 1; if the vehicle 1 has no penetrating space below the girder, the beam assembly can be penetrated in the carriage or above the carriage, and the installation height of the beam assembly can be determined according to the space above the chassis of the vehicle 1; in addition, the anti-overturning frame can be used on a passenger car, so that the beam assembly is penetrated and arranged in the luggage compartment, and the anti-overturning frame can be used for a truck and a passenger car. The mounting position of the beam assembly is not limited by the arrangement form of the vehicle 1, after the beam assembly is fixedly mounted on the vehicle 1 to be tested, the ground clearance of the supporting wheel 3 is adjusted through the adjusting arm assembly according to the position of the beam assembly, so that the problem that the conventional anti-overturning frame can only be applied to a vehicle type with a penetrating space below a truck girder is solved, and the applicability of the anti-overturning frame is enhanced.
The structure of the supporting wheel 3 is the same as that of the wheels of the motor vehicle in the prior art, and comprises a tire, a hub, an axle and a rotating mechanism for relative rotation between the hub and the axle, and details are not repeated. The relatively lower part of the adjusting arm assembly is fixedly connected with the wheel axle of the supporting wheel 3, when the vehicle is inclined at a certain angle, the tyre of the supporting wheel 3 is contacted with the ground, and the supporting wheel 3 can rotate along with the running of the vehicle under the action of friction force between the tyre and the ground.
It should be noted that, if the vehicle 1 to be tested is a tank truck or a truck with sufficient strength of the side plate of the truck, the beam assembly may be omitted, and the first end of the cantilever arm 2 may be directly fixed to the tank body of the tank truck or the side plate of the truck.
In practice, the beam assembly comprises a beam 4 fixedly connected to the chassis or compartment of the vehicle 1, the beam 4 being arranged in the width direction of the vehicle 1, as shown in fig. 1-2. The two ends of the cross beam 4 are connected with the first ends of the extending arms 2 through flanges, specifically, flanges are arranged at the two ends of the cross beam 4 and the first ends of the extending arms 2, through holes corresponding to the positions are arranged on the flanges, and the flanges at the end of the cross beam 4 and the flanges at the first ends of the extending arms 2 are abutted together and then fixed through bolts. The cross beam 4 is fixedly connected with the chassis or the carriage of the vehicle 1 through a plurality of fixing studs 5, and the fixing studs 5 are distributed along the length direction of the cross beam 4. Specifically, the cross member 4 may be a square tube, and a plurality of auxiliary fixing plates 26 are fixedly provided on one surface of the square tube away from the chassis or the cabin of the vehicle 1, wherein the auxiliary fixing plates 26 and the square tube are fixed by bolts. The plurality of auxiliary fixing plates 26 are uniformly distributed along the axial direction of the square tube. The auxiliary fixing plate 26 is long and is perpendicular to the axial direction of the square tube in the length direction, two ends of the auxiliary fixing plate 26 extend to the outside of the edge of the square tube, through holes for the fixing studs 5 to pass through are formed in the two ends of the auxiliary fixing plate 26, and after the fixing studs 5 pass through the through holes of the auxiliary fixing plate 26, the part, located on one side, away from the chassis or the carriage of the vehicle 1, of the auxiliary fixing plate 26 is screwed with the nuts. The other end of the fixing stud 5 passes through the chassis or the carriage of the vehicle 1 and is matched with another auxiliary fixing plate 26 to be screwed and fixed with a nut.
In implementation, the adjusting arm assembly includes two parts that can move up and down relatively, namely a first arm 6 and a second arm 7, wherein the first arm 6 and the second arm 7 can be configured as square tubes, the first arm 6 is sleeved outside the second arm 7, and the second arm 7 can only reciprocate along the axial direction relative to the first arm 6. The upper end of the first arm section 6 is fixedly connected with the second end of the extension arm 2, the lower end of the second arm section 7 is fixedly connected with the wheel shaft of the supporting wheel 3, and the fixed connection can be selected from welding, flange connection and the like, and is not particularly limited. The first section arm 6 and the second section arm 7 are respectively provided with a pin hole 8, the axis of each pin hole 8 is perpendicular to the axis of the first section arm 6, and the first section arm 6 and the second section arm 7 are connected through pins. Be provided with a plurality of above-mentioned cotter holes 8 on first festival arm 6, a plurality of cotter holes 8 follow the axial evenly distributed of first festival arm 6, can set up a cotter hole 8 on second festival arm 7, also can set up a plurality of cotter holes 8, when setting up a plurality of cotter holes 8 on second festival arm 7, the distance between two adjacent cotter holes 8 on the second festival arm 7 equals with the distance between two adjacent cotter holes 8 on the first festival arm 6, fixes through a plurality of pins between first festival arm 6 and the second festival arm 7, guarantees the stability and the reliability of being connected between first festival arm 6 and the second festival arm 7. When the ground clearance of the supporting wheel 3 is adjusted, the pin between the first section arm 6 and the second section arm 7 is detached, the second section arm 7 moves relative to the first section arm 6, and after the position of the supporting wheel 3 is adjusted, the second section arm 7 and the first section arm 6 are fixed through the pin joint, so that the support is convenient and quick.
It should be noted that, the two extending arms 2 located at one end of the beam 4 may be set to two, the two extending arms 2 are parallel to each other, and have a certain distance therebetween in the vertical direction, the second ends of the two extending arms 2 are fixedly connected with the first arm 6, the first end of one extending arm 2 is fixedly connected with the end of the beam 4, and the first end of the other extending arm 2 is directly fixedly connected with the vehicle 1, for example: is fixedly connected with the side plate of the carriage. The connecting structure between the two extension arms 2 and the first arm 6, the connecting structure between the extension arms 2 and the carriage side plate and the connecting structure between the extension arms 2 and the cross beam 4 are the same and can be fixedly connected through flanges.
Further, in order to facilitate the movement of the position of the second arm section 7, the labor intensity in the process of adjusting the ground clearance of the supporting wheel 3 is reduced, and a lifting mechanism for lifting the second arm section 7 can be arranged between the first arm section 6 and the second arm section 7.
The first section arm 6 and the second section arm 7 are square pipes with hollow structures communicated with the external space, in this embodiment, the lifting mechanism can be set as a screw nut transmission mechanism, referring to fig. 3, the lifting mechanism specifically comprises a screw rod 9 rotating in a fixed shaft manner and a screw nut 10 in matched connection with the screw rod 9, the screw rod 9 is arranged inside the first section arm 6 along the axial direction of the first section arm 6 and extends to the inside of the second section arm 7, and the screw rod 9 is connected with the first section arm 6 through a bearing so as to realize the rotating connection between the screw rod 9 and the first section arm 6. The screw nut 10 is fixedly connected with the second joint arm 7 while being matched and connected with the screw 9, and in the process of fixed shaft rotation of the screw 9, the screw nut 10 moves along the axial direction of the screw 9, so that the second joint arm 7 is driven to move relative to the first joint arm 6. The rotation of the screw 9 may be driven by a motor or manually. In this embodiment, the upper end of the lead screw 9 extends to the outside of the first arm 6 and is provided with a rotation handle 11 capable of driving the lead screw 9 to rotate in a fixed shaft manner at the upper end of the lead screw 9, and the lead screw 9 can be driven to rotate by manually shaking the rotation handle 11, so that the structure is simple, the weight is light, and the influence of the weight of the anti-overturning frame on the ESC test process can be reduced.
The beam assembly and the adjusting arm assembly with the structure can be used for trailer heads, van-type trucks, fence-type trucks, tank trucks and trailers in trucks, and also can be used for buses. When the passenger car has a pass-through trunk, the beam assembly may also be configured as shown in fig. 4 and 6.
The beam assembly comprises a lower connecting plate 12 fixedly connected with a carriage bottom plate of the passenger car and an upper connecting plate 13 fixedly connected with a carriage top plate of the passenger car, wherein the lower connecting plate 12 is fixedly connected with the carriage bottom plate when the beam assembly is arranged in a penetrating type luggage compartment, and the upper connecting plate 13 is fixedly connected with the luggage compartment top plate. For facilitating connection between the beam assembly and the extension arm 2, a first supporting side plate 14 is fixedly arranged at the end, close to the extension arm 2, of the lower connecting plate 12, a second supporting side plate 15 is fixedly arranged at the end, close to the extension arm 2, of the upper connecting plate 13, and referring to fig. 6-7, the first end of the extension arm 2 is connected with the first supporting side plate 14 through a flange, specifically, a through hole is formed in the first supporting side plate 14, a flange is arranged at the first end of the extension arm 2, and after the flange at the first end of the extension arm 2 is in butt joint with the first supporting side plate 14, the first supporting side plate is fixed through bolts. At this time, four through holes can be formed and evenly distributed along the circumferential direction of the extension arm 2.
The upper connecting plate 13 and the lower connecting plate 12 are respectively provided with two connecting plates, and the two connecting plates 12 and the two upper connecting plates 13 are fixedly connected through a transverse stabilizer bar 27.
The height adjusting assembly 28 for driving the upper connecting plate 13 to move along the vertical direction relative to the lower connecting plate 12 is arranged between the upper connecting plate 13 and the lower connecting plate 12, and the stability of connection between the beam assembly and the vehicle 1 can be ensured by adjusting the distance between the upper connecting plate 13 and the lower connecting plate 12 and connecting the beam assembly between the upper connecting plate 13 and the lower connecting plate 12 and between the lower connecting plate 12 and the luggage compartment when the beam assembly is applied to passenger cars with luggage compartments of different heights.
As shown in fig. 8, the height adjusting assembly 28 includes an upper fixing plate 16 fixedly connected to the upper connecting plate 13, a lower fixing plate 17 fixedly connected to the lower connecting plate 12, an upper screw 18 hinged to the upper fixing plate 16 at an upper end, a lower screw 19 hinged to the lower fixing plate 17 at a lower end, and an intermediate sleeve 20 screwed to the upper screw 18 and the lower screw 19 at both ends respectively, wherein the screw direction of the upper screw 18 is opposite to the screw direction of the lower screw 19, the intermediate sleeve 20 is rotated, and the upper screw 18 and the intermediate sleeve 20 and the lower screw 19 and the intermediate sleeve 20 are moved relatively, and the movement direction of the upper screw 18 relative to the intermediate sleeve 20 is the same as the movement direction of the intermediate sleeve 20 relative to the lower screw 19, so that the time required for adjusting the distance between the upper connecting plate 13 and the lower connecting plate 12 can be shortened, and the efficiency can be improved. Locking nuts 21 are arranged on the upper screw rod 18 and the lower screw rod 19, after the distance between the upper connecting plate 13 and the lower connecting plate 12 is adjusted, the locking nuts 21 are screwed to the two ends of the middle sleeve 20 so as to lock the relative position between the lower screw rod 19 and the middle sleeve 20 and the relative position between the upper screw rod 18 and the middle sleeve 20.
Through holes are formed in the first support side plate 14 and the second support side plate 15, two rows of through holes can be formed in the through holes, the through holes in each row are distributed in the vertical direction, and after the relative positions between the upper connecting plate 13 and the lower connecting plate 12 are adjusted, the first support side plate 14 and the second support side plate 15 are fixed through bolts.
In the use process, after the lower connecting plate 12 is fixed on the luggage compartment bottom plate, the distance between the upper connecting plate 13 and the lower connecting plate 12 is adjusted through the height adjusting assembly 28, and the upper connecting plate 13 is in extrusion contact with the luggage compartment top plate, so that the fixation of the beam assembly in the luggage compartment is realized. In order to prevent the lower connection plates 12 from moving in the vehicle width direction, stoppers 29 are provided at the ends of the two lower connection plates 12 that are away from each other, the stoppers 29 being located outside the trunk of the vehicle, and the restriction of the position of the lower connection plates 12 being achieved by the interaction between the stoppers 29 and the outer side walls of the vehicle.
A track extending along the vertical direction is arranged between the first support side plate 14 and the second support side plate 15, so that the relative movement between the first support side plate 14 and the second support side plate 15 is guided, and the relative position between the upper connecting plate 13 and the lower connecting plate 12 is convenient to adjust.
At this time, the structure of the adjusting arm assembly may also be provided in the form as shown in fig. 5, specifically, the adjusting arm assembly includes a first support plate 22 fixedly connected to the second end of the extension arm 2 and a second support plate 23 fixedly connected to the wheel shaft of the support wheel 3, two rows of first mounting holes 24 are provided on the first support plate 22, and each row of first mounting holes 24 is provided with a plurality of first mounting holes 24 distributed in the vertical direction; two rows of second mounting holes 25 are formed in the second supporting plate 23, the distance between the two rows of first mounting holes 24 is equal to the distance between the two rows of second mounting holes 25, and the second mounting holes 25 correspond to the first mounting holes 24 at different positions, so that the heights of the second supporting plate 23 are different, namely the ground clearance heights of the supporting wheels 3 are different. After the relative positions of the first support plate 22 and the second support plate 23 are adjusted according to the height of the support wheel 3 above the ground, the first support plate 22 and the second support plate 23 are fixed by bolts.
In implementation, the wheel axle of the supporting wheel 3 is obliquely arranged, so that an included angle is formed between the wheel axle of the supporting wheel 3 and a horizontal line, and when the vehicle 1 is inclined, the contact between the circumferential surface of the tire of the supporting wheel 3 and the ground can be ensured, and the supporting wheel 3 can play a sufficient supporting role. Specifically, the distance between the end of the axle of the supporting wheel 3, which is close to the vehicle 1, and the ground can be made smaller than the distance between the end of the axle of the supporting wheel 3, which is far away from the vehicle 1, and the ground, and the included angle between the axis of the axle of the supporting wheel 3 and the horizontal line can be ensured to be 10-12 degrees.
In this embodiment, the materials of the main parts of the anti-overturning frame are titanium alloy, for example: the beam 4, the first arm 6, the second arm 7, the extension arm 2, the upper connecting plate 13, the lower connecting plate 12, the first supporting side plate 14, the second supporting side plate 15, the upper fixing plate 16, the lower fixing plate 17, the upper screw 18, the lower screw 19, the middle sleeve 20, the first supporting plate 22, the second supporting plate 23, the flange plate and the like, and the specific strength (strength/density) of the titanium alloy is far greater than that of other metal structural materials, so that the component with high unit strength, good rigidity and light weight can be manufactured. The auxiliary connection parts are made of aluminum alloy and high-strength steel, such as: pins, bolts, nuts, etc. Therefore, the quality of the anti-overturning frame is reduced on the basis of ensuring the light and the functions, and in the testing process, the vehicle test can be more similar to the real vehicle condition, so that the aim of least disturbing the test result is fulfilled.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. An ESC test anti-rollover stand comprising:
The beam assembly is used for being fixedly connected with the vehicle (1) and is arranged along the width direction of the vehicle (1);
the first ends of the extension arms (2) are fixedly connected with the end parts of the beam assemblies;
The vehicle comprises supporting wheels (3) for supporting the vehicle (1) when the vehicle (1) is inclined, wherein the two supporting wheels (3) are arranged, and the two supporting wheels (3) are distributed on two sides of the vehicle (1) along the width direction of the vehicle (1);
the adjusting arm assembly is used for adjusting the distance between the supporting wheel (3) and the ground, is arranged between the extending arm (2) and the supporting wheel (3), the upper end of the adjusting arm assembly is fixedly connected with the second end of the extending arm (2), and the supporting wheel (3) is rotatably connected with the lower end of the adjusting arm assembly;
The beam assembly comprises a beam (4) fixedly connected with a chassis or a carriage of the vehicle (1), the beam (4) is arranged along the width direction of the vehicle (1), two ends of the beam (4) are connected with the first end of the extension arm (2) through flanges, and the beam (4) is fixedly connected with the chassis or the carriage of the vehicle (1) through a plurality of fixing studs (5) distributed along the length direction of the beam (4);
The adjusting arm assembly comprises a first arm (6) and a second arm (7), the upper end of the first arm (6) is fixedly connected with the second end of the extending arm (2), the lower end of the second arm (7) is fixedly connected with the wheel shaft of the supporting wheel (3), pin holes (8) are formed in the first arm (6) and the second arm (7), the axis of the pin holes (8) is perpendicular to the axis of the first arm (6), the first arm (6) is connected with the second arm (7) through pins, and the pin holes (8) are formed in the first arm (6) and are uniformly distributed along the axial direction of the first arm (6);
The beam assembly comprises a lower connecting plate (12) fixedly connected with a carriage bottom plate of the passenger car and an upper connecting plate (13) fixedly connected with a carriage top plate of the passenger car, wherein a first supporting side plate (14) and a second supporting side plate (15) are fixedly arranged at the end parts, close to the extension arms (2), of the lower connecting plate (12) and the upper connecting plate (13), respectively, the first end of the extension arms (2) is fixedly connected with the first supporting side plate (14), a height adjusting assembly (28) for driving the upper connecting plate (13) to move relative to the lower connecting plate (12) along the vertical direction is arranged between the upper connecting plate (13) and the lower connecting plate (12), a plurality of through holes distributed along the vertical direction are formed in the first supporting side plate (14) and the second supporting side plate (15), and the first supporting side plate (14) and the second supporting side plate (15) are fixedly connected through bolts;
The height adjusting assembly (28) comprises an upper fixing plate (16) fixedly connected with the upper connecting plate (13), a lower fixing plate (17) fixedly connected with the lower connecting plate (12), an upper screw (18) with the upper end hinged with the upper fixing plate (16), a lower screw (19) with the lower end hinged with the lower fixing plate (17) and an intermediate sleeve (20) with the two ends respectively connected with the upper screw (18) and the lower screw (19) in a threaded fit manner, and the threaded rotation direction of the upper screw (18) is opposite to that of the lower screw (19); and locking nuts (21) are arranged on the upper screw (18) and the lower screw (19).
2. The ESC test anti-rollover stand according to claim 1, characterized in that a lifting mechanism for lifting the second articulated arm (7) is further provided between the first articulated arm (6) and the second articulated arm (7).
3. The ESC test anti-turnover frame according to claim 2, characterized in that the first section arm (6) and the second section arm (7) are square pipes with hollow structures, the lifting mechanism comprises a screw (9) arranged inside the first section arm (6) and along the axial direction of the first section arm (6) and a screw nut (10) connected with the screw (9) in a matching way, the screw (9) is connected with the first section arm (6) in a rotating way, the screw nut (10) is fixedly connected with the second section arm (7), and the upper end of the screw (9) extends to the outside of the first section arm (6) and is provided with a rotating handle (11) for driving the screw (9) to rotate in a fixed axis.
4. The ESC test anti-rollover stand according to claim 1, characterized in that the adjusting arm assembly comprises a first support plate (22) fixedly connected with the second end of the extension arm (2) and a second support plate (23) fixedly connected with the wheel axle of the support wheel (3), two rows of first mounting holes (24) are arranged on the first support plate (22), each row of first mounting holes (24) is provided with a plurality of first mounting holes (24) distributed along the vertical direction, two rows of second mounting holes (25) are arranged on the second support plate (23), the distance between the two rows of first mounting holes (24) is equal to the distance between the two rows of second mounting holes (25), and the first support plate (22) is fixedly connected with the second support plate (23) through bolts.
5. The ESC test anti-rollover stand according to claim 1, characterized in that the wheel axle of the supporting wheel (3) is arranged in an inclined manner, the distance between the end of the wheel axle of the supporting wheel (3) close to the vehicle (1) and the ground is smaller than the distance between the end of the wheel axle of the supporting wheel (3) far away from the vehicle (1) and the ground, and the included angle between the axis of the wheel axle of the supporting wheel (3) and the horizontal line is 10-12 degrees.
6. The ESC test anti-rollover stand according to claim 1, characterized in that the cross beam (4), the first section arm (6) and the second section arm (7) are made of titanium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911058584.7A CN110686909B (en) | 2019-11-01 | 2019-11-01 | ESC test anti-overturn frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911058584.7A CN110686909B (en) | 2019-11-01 | 2019-11-01 | ESC test anti-overturn frame |
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| CN110686909A CN110686909A (en) | 2020-01-14 |
| CN110686909B true CN110686909B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911058584.7A Active CN110686909B (en) | 2019-11-01 | 2019-11-01 | ESC test anti-overturn frame |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378680A (en) * | 2020-11-26 | 2021-02-19 | 徐工集团工程机械有限公司 | Rollover prevention device for high-speed driving stability experiment and full-hydraulic steering fire truck |
| CN117516962A (en) * | 2024-01-08 | 2024-02-06 | 蒙阴县鹏程万里车辆有限公司 | Safety auxiliary device for side turning test of semitrailer |
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| CN110686909A (en) | 2020-01-14 |
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Address after: 400000 9 Xinjin Avenue, high tech Zone, Jiulongpo District, Chongqing Applicant after: China Merchants Testing Vehicle Technology Research Institute Co.,Ltd. Address before: 400000 plot ad02-4 / 01, ad sub district, Xiyong group, Jiulongpo District, Chongqing Applicant before: CHONGQING VEHICLE TEST & Research Institute |
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